update fixes

lib/model/gps_data.dart

@@ -6,25 +6,30 @@ class GpsData {
   double lon;
   int is_checkin;
   int created_at;
+  int is_synced;
 
-  GpsData(
-      {required this.id,
-      required this.team_name,
-      required this.event_code,
-      required this.lat,
-      required this.lon,
-      required this.created_at,
-      this.is_checkin = 0});
+  GpsData({
+    required this.id,
+    required this.team_name,
+    required this.event_code,
+    required this.lat,
+    required this.lon,
+    required this.created_at,
+    this.is_checkin = 0,
+    this.is_synced = 0,
+  });
 
   factory GpsData.fromMap(Map<String, dynamic> json) {
     return GpsData(
-        id: json["id"],
-        team_name: json["team_name"],
-        event_code: json["event_code"],
-        lat: json["lat"],
-        lon: json["lon"],
-        is_checkin: json["is_checkin"],
-        created_at: json["created_at"]);
+      id: json["id"],
+      team_name: json["team_name"],
+      event_code: json["event_code"],
+      lat: json["lat"],
+      lon: json["lon"],
+      is_checkin: json["is_checkin"],
+      created_at: json["created_at"],
+      is_synced: json["is_synced"] ?? 0,
+    );
   }
 
   Map<String, dynamic> toMap() {
@@ -35,7 +40,8 @@ class GpsData {
       'lat': lat,
       'lon': lon,
       'is_checkin': is_checkin,
-      'created_at': created_at
+      'created_at': created_at,
+      'is_synced': is_synced,
     };
   }
 }